Segment and Geographic Information, Revenue from External Customers by Products and Services (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Product Revenue from External Customer [Line Items]
Revenue	$ 1,383,210	$ 1,375,964	$ 1,447,821
Traditional Flavors & Fragrances [Member]
Product Revenue from External Customer [Line Items]
Revenue	653,794	667,941	715,789
Natural Ingredients [Member]
Product Revenue from External Customer [Line Items]
Revenue	240,710	240,793	227,538
Food & Beverage Colors [Member]
Product Revenue from External Customer [Line Items]
Revenue	299,415	298,457	307,343
Non-Food Colors [Member]
Product Revenue from External Customer [Line Items]
Revenue	230,879	208,447	238,691
Interdivision Revenue [Member]
Product Revenue from External Customer [Line Items]
Revenue	$ (41,588)	$ (39,674)	$ (41,540)